Home / 12,022.20-16,590.68-6,717.24

Finding the Fourth Proportional to 12,022.20, 16,590.68 and 6,717.24

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Solution

The fourth proportional to 12,022.20, 16,590.68 and 6,717.24 is: 9,269.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.20 : 16,590.68 = 6,717.24 : x
  2. Step 2: Convert to fraction form
    12,022.20/16,590.68 = 6,717.24/x
  3. Step 3: Cross multiply
    12,022.20x = 16,590.68 × 6,717.24
  4. Step 4: Simplify right side
    12,022.20x = 111,443,579.32
  5. Step 5: Solve for x
    x = 111,443,579.32/12,022.20
  6. Step 6: Final answer
    x = 9,269.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.